EP0496970B1 - Elektrischer Verbinder für die Telekommunikation mit einer flexiblen elektrischen Schnur - Google Patents

Elektrischer Verbinder für die Telekommunikation mit einer flexiblen elektrischen Schnur Download PDF

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Publication number
EP0496970B1
EP0496970B1 EP91120120A EP91120120A EP0496970B1 EP 0496970 B1 EP0496970 B1 EP 0496970B1 EP 91120120 A EP91120120 A EP 91120120A EP 91120120 A EP91120120 A EP 91120120A EP 0496970 B1 EP0496970 B1 EP 0496970B1
Authority
EP
European Patent Office
Prior art keywords
insert
outlet
connector according
lead
receiving body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91120120A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0496970A1 (de
Inventor
Horst-Helmut Tenham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Deutschland GmbH
Original Assignee
Quante GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quante GmbH filed Critical Quante GmbH
Publication of EP0496970A1 publication Critical patent/EP0496970A1/de
Application granted granted Critical
Publication of EP0496970B1 publication Critical patent/EP0496970B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws

Definitions

  • the invention is directed to an electrical connector of the type specified in the preamble of claim 1.
  • This connector comprises a flexible electrical cord that includes conductive wires.
  • two connecting links are provided, of which the first connecting link is firmly connected to the cord and consists of a standard plug that matches a post's own socket.
  • This outlet can have a test completion.
  • This postal end socket is usually referred to as a telecommunication connection unit or abbreviated TAE.
  • TAE telecommunication connection unit
  • the starting box of the user-side line system has suitable receptacles which have a receptacle space which is adapted to the flat cable cross-section and which enable stripping-free contacting of the flat cables.
  • contact knives of penetration contacts are positioned in this starting socket, against which the individual receptacle bodies with the inserted flat cables can be moved.
  • the contact blades pierce the flat cable in alignment with the wires there and ensure perfect contact.
  • these starting doses are called TOC doses.
  • the flexible cord of the electrical connector has a cross-sectional profile that deviates from the flat cable in order to be connected to a standard plug suitable for the post-owned TAE.
  • the cross section of the flexible electrical cord on the one hand and the flat cable cross section in the user-side cable system on the other therefore basically differ from each other. There are also different diameters between the cores of the cord and the stranded conductors in the flat cable of the line system.
  • the invention has for its object to develop an electrical connector that is easy to manufacture and assemble, ensures proper contacting in the starting box of the user-side line system and thereby simplifies and reduces the structure and storage of the sockets used in the user-side system. This is achieved according to the invention by the measures specified in the characterizing part of claim 1, which have the following special significance.
  • the invention has recognized that instead of a second connection element equipped with its own contact parts, which is firmly connected to the electrical cord and contacted with its individual wires, a profiled insert made of insulation material is simply sufficient, because it acts as an adapter between the electrical cord of the connector on the one hand and the receiving body of a TOC can can be used on the other hand.
  • the outer profile of the insert is used in the receiving body adapted to the flat cable cross section.
  • the invention uses the specified receiving body of the starting box itself as a connection point for the electrical cord, which is why the corresponding starting box does not require any special configuration with mating contact parts on the line, such as a pin strip.
  • the insert has a hollow profile in its interior consisting of several parallel bores that form simple channels for inserting the wires of the electrical cord.
  • the wires do not need to be stripped.
  • the actual contacting in these bores only takes place in the receiving body of the starting box on the user side after the insert has been inserted in the receiving space there.
  • the socket-side contact blades of the penetration contacts are pierced through the insert during the aforementioned lifting movement of the receiving bodies in the starting socket and move into the individual wires of the cord which are inserted in the parallel bores of the insert.
  • the bores are namely arranged in the grid of the contact blades of the penetration contacts.
  • the insert therefore has the task of automatically bringing them into a position when the end of the cord is inserted, which corresponds to the spacing pattern of the stranded conductors in the flat cable which is normally used in the receiving bodies of the starting box.
  • the flexible electrical cord of the connector is contacted in the same way as in the rest of the line system for flat cables. Therefore, the connection method is designed uniformly in the entire line system and is based on penetration contacting.
  • the use according to the invention is a very simple and inexpensive component.
  • a range of differently profiled inserts is sufficient to be able to combine a large number of different line systems and electrical cords.
  • a cohesion between the insert and the cord end can be achieved by the deformations mentioned in claim 2. This allows tensile forces to be absorbed before they can affect the area of the penetration contacts. In order to extend the creepage distance between the veins, it is advisable to provide ribs according to claim 3.
  • the insertion depth of the insert in the receiving body can be limited by end stops according to claim 4, for their configuration in particular end flanges according to claim 5.
  • the deformable bore walls mentioned in claim 2 may consist of blind holes in the flange according to claim 6.
  • connector elements according to claim 7, which in the simplest case are designed according to claim 8.
  • a mechanically firm connection between the insert and the receiving body is thereby achieved.
  • a non-interchangeable profile according to claim 9. The easiest way to achieve the latter is through the measures mentioned in claim 10.
  • a comfortable disassembly of the insert from the can can be achieved even with a tight fit. It is most advantageous to provide this lateral recess as a transverse groove in the flange according to claim 12, because then the lever actuation of a dismantling tool, such as a screwdriver, can be carried out particularly conveniently.
  • uniform cans can be used in the entire piping system, specifically also as a starting box 10, the basic structure of which is shown in FIG. 1.
  • a socket of this line system designed as a through connector also has a similar structure.
  • the socket 10 is normally used to connect flat cables 11 with a cross section 12 shown in FIG. 3.
  • This flat cable 11 consists of a web 13 on which several, in one piece, parallel stranded conductors 14 are arranged, as a result of which a rib profile is formed on this side.
  • the web 13 On the opposite side of the flat cable, the web 13 is essentially flat and has an adhesive layer 15 which, when the flat cable 11 is laid, is useful for holding it on a wall or the like.
  • This flat cable 11 can can be contacted in the socket 10 without stripping the stranded conductor 14.
  • the socket 10 has a receptacle body 16 with a receptacle space 17 which is adapted to the cable cross section 12.
  • the respective receptacle body 16 can be moved by means of screwing means 18 with respect to penetration contacts 19 which are fixed in position in the can bottom 27 with their contact blades 29.
  • the penetration contacts 19 in different receptacle bodies 16 are connected to one another in the region of the can bottom 27 and have a plurality of contact blades 29 for each stranded conductor 14, which pass through guide slots 28 in the receptacle body 16.
  • the contact blades 29 are in vertical alignment with the stranded conductors 14.
  • the tips of the contact blades 29 penetrate the stranded conductors 14 and lead to several point contacts.
  • the flat cable is not inserted into the receptacle bodies 16, but in the left receptacle body 16 there is an insert 30 to be described in more detail of a connector 20 shown in FIG. 4.
  • the right receptacle body 16 in FIG. 1 is in its lower one Stroke position, as is the case when contacting, while the left receiving body 16 in the box 10 occupies the upper stroke position before contacting, in which a flat cable 11 could be plugged in and unplugged.
  • a telecommunications connection unit TAE set, which usually has test degrees.
  • TAE telecommunications connection unit
  • the user can now connect his internal line system of sockets 10 and flat cables 11 via a connector 20.
  • the special structure of a connector can be seen in FIG. 4.
  • the connector 20 comprises a flexible electrical cord 21 with a corresponding number of conductive wires 22.
  • the one cord end 23 is in turn firmly connected by crimp connections or via penetration contacts to a standard plug 24 which is designed to match the TAE and preferably has an internal structure, as described in EP-PS 0 141 957.
  • the other end of the cord 25 is initially not firmly contacted with a cord-side connector: Rather, a specially designed insert 30 is used, which only makes contact on the socket side when connected. At this cord end 25, too, the wires 22 are not stripped, but are first inserted without contact into the insert 30, which has the special structure shown in FIGS. 5 to 7.
  • the insert 30 is produced in one piece from insulation material by injection molding technology and is divided several times. It comprises a plug-in part 31, which, as shown in FIG. 7, has an outer profile 32, which is essentially in conformity with the flat cable cross-section 12 described in FIG. 3 and can therefore be inserted into the corresponding receiving space 17 of a socket-side receiving body 16.
  • the outer profile of the plug-in part 31 is different in some areas, namely in the form of successive longitudinal ribs 33 only on one surface side, which are separated from one another by longitudinal grooves 34.
  • the opposite side of the plug-in part 31 is essentially flat, but can be provided in some areas with a groove 35 which is arranged in alignment with a special inner profile of the insert 30.
  • the inner profile here consists of a plurality of parallel bores 36 which run over its entire length and which terminate at the outer end 37 of the insert 30 with a funnel mouth 38.
  • the bores 36, together with the grooves 35, are arranged at a mutual distance 47 which corresponds exactly to the given grid dimension of the contact knife 29 in the box 10, which can be seen by the distance 47 'in FIG. 2.
  • the non-stripped wires 22 located at the second cord end 25 are now inserted individually into the bores 36.
  • the clear bore width 48 is adapted to the wire cross section 48 'shown in FIG. 4'.
  • the inserted position of the wires 22 in the bore 36 can be secured by a deformable bore wall 43.
  • this bore wall 43 is pressed against the wire 22 by pressure and / or heat and thereby brings the wire against the tensile stresses acting.
  • the cord is intercepted in the insert 30, and indeed already in the entrance area 49 of the bore 36, that is to say in front of the areas of the insert 30 which will later become effective and which are determined by the grooves 35 already mentioned.
  • the insert 30 is thus already captively connected to the cord 21, but, as has already been mentioned, its cores 22 have not yet been contacted.
  • the insert 30 is now inserted with its plug-in part 31 into the receiving space 17 of a selected receiving body 16 of the socket 10, which normally serves for contacting the flat cable 11 from FIG. 3.
  • the cores 22, which are positioned true to the grid are aligned with the contact knives 29 in the base 27 of the can.
  • the downward movement of the receiving body 16 in the can 10 has already been described, they move into the grooves 35 of the insert 30 and only need the small wall thickness of the insulation material in the base of the groove penetrate to get into the bores 36 inside the insert 30.
  • a widened flange 41 in which the preceding plug-in part 31 merges with the outer end 37.
  • This flange 41 also serves for the correct positioning of the insert 30 in the receiving body 16.
  • the flange 41 forms an end stop 42 through a step falling against its plug-in part 31, which defines the insertion depth of the insert 30 in the receiving body 16.
  • the grooves 35 are in a defined longitudinal position, in alignment with the contact knives 29, as can be seen from the insert 30 inserted in the left receiving body 16 in FIG. 1.
  • Plug-in connection elements 50, 51 are also provided for mechanically fixing the two components 30, 16.
  • these consist of molded plug-in pins 50 which protrude from the stop surface 42 of the flange 41 and which are assigned complementary cavities 51 on the receiving body 16.
  • the insert 30 is provided with a lateral recess 44.
  • this consists of a transverse channel in the flange 41.
  • a dismantling tool such as. B. a Screwdriver, are inserted, which then enables the inserted insert 30 to be pulled out by lever action with respect to the receiving body 16.
  • the deformable bore wall 43 is also arranged in the region of the flange 41 and is simply produced by corresponding blind holes 45 in the flange 41. These blind holes 45 lie in axial alignment with the grooves 35.
  • the connector 20 is also provided in the region of its second cord end 25 with an anti-kink bushing 26 which is fixed in a passage 52 of a can lid 53 when the connector is mounted on the can 10. The can lid 53 is connected to the can bottom 27.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP91120120A 1991-01-31 1991-11-26 Elektrischer Verbinder für die Telekommunikation mit einer flexiblen elektrischen Schnur Expired - Lifetime EP0496970B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9101065U DE9101065U1 (de) 1991-01-31 1991-01-31 Elektrischer Verbinder für die Telekommunikation mit einer flexiblen elektrischen Schnur
DE9101065U 1991-01-31

Publications (2)

Publication Number Publication Date
EP0496970A1 EP0496970A1 (de) 1992-08-05
EP0496970B1 true EP0496970B1 (de) 1994-11-02

Family

ID=6863841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91120120A Expired - Lifetime EP0496970B1 (de) 1991-01-31 1991-11-26 Elektrischer Verbinder für die Telekommunikation mit einer flexiblen elektrischen Schnur

Country Status (3)

Country Link
EP (1) EP0496970B1 (zh)
AT (1) ATE113761T1 (zh)
DE (2) DE9101065U1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0697751B1 (de) * 1994-08-16 2001-11-14 WIELAND ELECTRIC GmbH Zweifach-Abzweigdose für Flachbandkabel
DE102013002740A1 (de) * 2013-02-19 2014-08-21 Wieland Electric Gmbh Flachkabel mit gerillter und planter Oberfläche

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428636A (en) * 1981-11-05 1984-01-31 Amp Incorporated Multi-contact connectors for closely spaced conductors
DE3340035C2 (de) * 1983-11-05 1986-11-13 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Kontaktelement mit Eindringklemme sowie Steckergehäuse dafür
DE8424021U1 (de) * 1984-08-13 1984-11-15 Siemens AG, 1000 Berlin und 8000 München Anschlußvorrichtung für eine Mehrzahl von isolierten Adern

Also Published As

Publication number Publication date
DE59103427D1 (de) 1994-12-08
DE9101065U1 (de) 1991-04-18
EP0496970A1 (de) 1992-08-05
ATE113761T1 (de) 1994-11-15

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